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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#     http://www.apache.org/licenses/LICENSE-2.0
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import tensorflow as tf, tf_keras
from official.projects.waste_identification_ml.model_inference import postprocessing


class PostprocessingTest(tf.test.TestCase):

  def test_reframe_image_corners_relative_to_boxes(self):
    box1 = tf.constant([100.0, 200.0, 300.0, 400.0])
    boxes = tf.stack([box1])
    expected = tf.stack([tf.constant([-0.5, -1.0, -0.495, -0.995])])

    result = postprocessing.reframe_image_corners_relative_to_boxes(boxes)

    self.assertAllEqual(expected, result)


if __name__ == "__main__":
  tf.test.main()
